RD52.1-4B-315-F-NN-NN-NN-FW Bosch Rexroth Indramat
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MPN: R911289513
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The Bosch Rexroth Indramat RD52.1-4B-315-F-NN-NN-NN-FW is a drive controller from the RD 500 Drive Controllers series. It features field oriented vector control and has a rated power of 315 kW. The controller supports a voltage range from 380 to 480 V and uses forced air cooling with integrated liquid circulation.
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Product Description:
The RD52.1-4B-315-F-NN-NN-NN-FW drive controller is produced by Bosch Rexroth Indramat within the RD 500 Drive Controllers series. It regulates three-phase induction or synchronous motors in industrial automation lines, providing closed-loop speed and torque control for conveyors, extruders, and similar machinery. By converting fixed-frequency mains power into a controlled output, the unit enables variable-speed operation that matches process demands while protecting the connected motor. This arrangement supports steady operation when load demand changes during production.
The controller uses a 3 x AC converter input and accepts line voltages from 380 to 480 V with a tolerance of ±10 %. This range allows connection to standard 50 Hz or 60 Hz industrial networks without tapping transformers. Its control method uses field-oriented vector control, so current and flux are decoupled for precise dynamic response even at low speed. This also helps the drive maintain stable torque during startup and under varying load. Rated continuous output reaches 315 kW, making the device suitable for large-frame motors in heavy processing equipment. No option cards are installed, so the controller is arranged for basic drive duties.
For energy management and thermal stability, the unit integrates a built-in brake chopper that diverts regenerative energy to an external resistor during rapid deceleration. Heat generated by the power modules is removed through forced-air cooling with integrated liquid circulation; airflow passes across internal heat sinks while the liquid loop carries heat outside the cabinet. Line-side disturbances are attenuated by an integrated mains filter, which helps reduce conducted emissions to adjacent equipment. The unit is part of Design Generation 1. During braking, the chopper and cooling system help the controller remain stable in demanding duty cycles.
Frequently Asked Questions about RD52.1-4B-315-F-NN-NN-NN-FW:
Q: Does the RD52.1-4B-315-F-NN-NN-NN-FW drive controller have a brake chopper?
A: The RD52.1-4B-315-F-NN-NN-NN-FW includes a built-in brake chopper for efficient energy dissipation during braking cycles.
Q: What type of cooling system does the RD52.1-4B-315-F-NN-NN-NN-FW utilize?
A: This model features forced air cooling integrated with liquid circulation for effective thermal management.
Q: What control type is implemented in the RD52.1-4B-315-F-NN-NN-NN-FW drive controller?
A: The controller operates with field oriented vector control, ensuring accurate motor control performance.
Q: What is the voltage range for the RD52.1-4B-315-F-NN-NN-NN-FW?
A: It supports a voltage range from 380 to 480 V, offering flexibility for different power systems.
Q: Is a mains filter included in the RD52.1-4B-315-F-NN-NN-NN-FW?
A: This drive controller has an integrated mains filter to reduce electrical noise from the supply.
